Self-contained, bench-type sanitary system



FIG. 1 is a front perspective view of a self-contained, bench-type sanitation system embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof, it being understood that the opposite side to that shown is a substantial mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines showing of features on the top and bottom surfaces of the bench are for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a self-contained, bench-type sanitary system, as shown and described. 